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The violet colour obtained during the te...

The violet colour obtained during the test of sulphur Lassaigne's test is due to the formation of

A

`Fe_(4)[Fe(CN)_(6)]_(3)`

B

`Na_(3)[Fe(CN)_(6)]`

C

`Fe_(3)(Fe(CN)_(6))_(4)`

D

`Na_(4)[Fe(CN)_(5)NOS]`

Text Solution

Verified by Experts

The correct Answer is:
A
Prussian blue is ferric ferrocyanide `Fe_(4)[Fe(CN)_(6)]_(3)`.
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